William Chillenden, also known as Adam of Chillenden, was a monk at Christ Church Priory, Canterbury

Canterbury

Canterbury is a historic English cathedral city, which lies at the heart of the City of Canterbury, a district of Kent in South East England. It lies on the River Stour....

, and treasurer of that priory when he was elected Prior of Christ Church in 1263 (or 1264).

Chillenden was elected to be Archbishop of Canterbury

Archbishop of Canterbury

The Archbishop of Canterbury is the senior bishop and principal leader of the Church of England, the symbolic head of the worldwide Anglican Communion, and the diocesan bishop of the Diocese of Canterbury. In his role as head of the Anglican Communion, the archbishop leads the third largest group...

 in England on 9 September 1270. King Edward I

Edward I of England

Edward I , also known as Edward Longshanks and the Hammer of the Scots, was King of England from 1272 to 1307. The first son of Henry III, Edward was involved early in the political intrigues of his father's reign, which included an outright rebellion by the English barons...

, however, had wanted his Chancellor Robert Burnell

Robert Burnell

Robert Burnell was an English bishop who served as Lord Chancellor of England from 1274 to 1292. A native of Shropshire, he served as a minor royal official before entering into the service of Prince Edward, the future King Edward I of England...

 elected. Chillenden's election was set aside by the pope in the summer of 1272 and he never received his pallium

Pallium

The pallium is an ecclesiastical vestment in the Roman Catholic Church, originally peculiar to the Pope, but for many centuries bestowed by him on metropolitans and primates as a symbol of the jurisdiction delegated to them by the Holy See. In that context it has always remained unambiguously...

.

Chillenden died on 13 September 1274.